Postfix smtpd

220 mail04.burovout.de ESMTP Postfix
250-mail04.burovout.de
250-8BITMIME
250-STARTTLS
250-CHUNKING
250 Ok

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            19:c2:58:51:1a:29:88:88:12:85:f1:39:c7:01:ba:d8:c2:12:00:cd
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=DE, O=dialis direct GmbH, CN=smtp
        Validity
            Not Before: Dec 22 11:41:22 2021 GMT
            Not After : Dec 20 11:41:22 2031 GMT
        Subject: C=DE, O=dialis direct GmbH, CN=smtp
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (4096 bit)
                Modulus:
                    00:ee:eb:a2:9e:92:a6:1b:be:94:ed:d5:45:1d:bf:
                    f4:c5:00:00:f8:ff:a3:5e:ca:1f:3c:89:b0:f7:a5:
                    e6:d0:8a:7e:48:1e:76:4a:14:23:0d:e6:8f:51:97:
                    84:15:0a:96:47:f1:8e:48:0c:e1:36:7c:46:c0:06:
                    3f:76:d0:f3:74:dd:c7:29:e7:78:72:13:ff:67:4c:
                    61:9e:ca:a4:90:7f:6e:66:e9:f5:82:75:25:e9:46:
                    b1:15:9f:73:43:ff:9b:65:c3:fe:70:da:50:e5:31:
                    37:93:05:ff:97:68:fb:56:c9:ef:6c:33:71:6f:b0:
                    7b:19:46:23:dd:ae:ef:d6:f0:11:f5:93:c7:ac:e6:
                    a3:71:d0:fc:8c:ac:d3:c7:66:fb:70:02:14:78:0d:
                    21:62:04:f2:3c:35:42:46:82:36:9b:d9:56:1b:fc:
                    6f:1c:17:fe:fe:c2:6f:5b:b3:1b:9f:30:6f:59:19:
                    ae:58:96:86:d5:53:43:3c:5f:dc:f9:5a:d2:e1:d7:
                    34:0b:34:8c:d9:01:65:79:1f:6a:c2:8e:3a:50:84:
                    35:35:43:73:c5:aa:cd:c1:c9:34:67:3a:aa:7e:e5:
                    36:be:97:7c:b0:71:e4:58:92:7a:13:43:21:7c:59:
                    9a:c7:a7:d6:9b:9e:33:20:28:02:50:e2:e1:ef:fb:
                    cf:69:ee:63:43:83:57:fb:1a:ff:78:73:2f:54:97:
                    59:b5:0b:c9:77:c0:ee:f7:4c:eb:69:6e:23:53:56:
                    49:eb:f8:19:52:cd:33:b5:e1:6b:4e:94:20:dc:a3:
                    e1:03:13:dd:88:74:4e:e6:13:1a:fd:18:32:e1:a6:
                    4b:dd:1c:48:f9:61:4d:88:71:db:c1:66:37:e6:6c:
                    39:b7:37:6d:d4:b0:35:89:39:b8:9e:30:4c:11:89:
                    57:7f:fe:04:b9:2d:3c:27:aa:58:32:33:b3:72:8c:
                    10:b1:88:a0:85:b5:ef:90:0c:19:4c:08:86:a7:a7:
                    eb:ec:b4:26:69:81:71:a4:e0:04:3a:04:78:69:f5:
                    4c:c5:b2:cb:19:85:bb:b8:33:9d:a0:3c:39:9f:01:
                    bb:cf:ce:54:a0:06:be:1d:92:28:6c:c9:11:06:69:
                    a9:3e:3c:c0:92:59:ee:18:97:1f:65:ce:84:aa:6d:
                    25:76:59:28:ae:54:02:3e:a8:2a:70:17:b6:3b:7b:
                    b7:de:5b:3f:2d:a3:58:60:ef:5f:8c:0f:17:8a:ef:
                    e1:e4:ba:e3:c5:ce:f3:33:e5:76:f0:83:a2:ee:d6:
                    2e:aa:33:9e:b9:7b:a3:06:b4:b2:dd:a6:f4:94:cd:
                    d8:a4:7c:ac:0e:bf:f9:52:aa:2d:dc:47:1b:cc:6d:
                    bd:bc:0b
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Subject Key Identifier: 
                78:EF:E0:AD:A9:82:9D:A0:48:01:90:F9:B6:C5:E7:70:DD:C3:68:AD
            X509v3 Authority Key Identifier: 
                78:EF:E0:AD:A9:82:9D:A0:48:01:90:F9:B6:C5:E7:70:DD:C3:68:AD
            X509v3 Basic Constraints: critical
                CA:TRUE
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        cf:b5:f5:f0:70:c8:8c:51:d4:fc:c4:06:67:4e:d6:e9:68:10:
        80:5e:bb:1d:a8:2a:14:f4:68:91:d7:c1:c1:6a:f1:1a:f6:88:
        2d:38:c0:3f:b2:3b:bd:fb:c6:cd:2a:86:d6:ef:91:93:f2:20:
        d0:19:0c:dc:ba:cd:57:cd:98:8a:20:15:d2:08:2c:11:fa:14:
        49:1a:8b:f6:54:e3:a7:2c:81:02:0c:0c:1e:35:e4:b6:d3:4f:
        fd:42:88:00:46:cc:44:1f:52:d1:3c:0c:83:da:63:b6:30:ab:
        26:06:da:9b:94:33:24:8c:78:47:9f:87:e9:e4:fa:df:7b:c0:
        6a:2d:c1:47:c4:14:bb:2e:6a:96:42:b1:cd:f1:f7:26:04:5b:
        3a:89:9a:64:5a:a7:e0:42:77:46:a2:14:0b:33:b5:5d:35:a3:
        26:d2:fe:56:1c:0e:82:43:cf:8c:34:73:4f:05:5c:4f:29:78:
        92:6c:25:9e:6d:98:0d:2a:bc:f7:1e:a1:e5:da:14:55:59:16:
        a7:33:2e:99:95:b1:82:f1:06:67:f2:86:96:f5:35:ff:99:6c:
        f6:3d:a1:4c:54:a5:1f:86:1e:47:49:51:bd:2e:ec:ec:51:64:
        c2:de:a9:fb:44:0a:b1:56:00:f2:5f:b9:2f:74:f3:d6:8c:55:
        87:0c:51:97:bc:d3:ac:07:59:11:56:48:4c:03:cf:39:c1:db:
        18:1f:43:95:f4:21:07:fe:3c:9c:8c:5f:50:0a:40:87:f2:6b:
        94:7d:8c:96:a6:de:c3:36:4c:69:c3:6d:5b:e1:36:1a:b6:bf:
        27:91:e6:f3:be:c3:ab:82:38:0b:01:96:3c:7c:18:23:73:6b:
        c3:f6:a2:e1:6c:44:ec:b2:ad:71:f0:85:6e:61:ca:7e:be:e4:
        30:10:7f:5c:b0:b6:e4:1f:c8:91:d8:b4:f6:34:cb:62:a6:73:
        62:3c:c0:3f:7f:c4:e7:40:b4:27:83:de:ca:ca:b7:c6:02:20:
        53:3f:5c:1d:8f:a0:91:af:8d:d5:19:43:9a:a6:49:52:57:a9:
        1d:20:fa:e5:d2:4b:48:8b:13:c8:f7:68:6b:c9:7b:b0:9c:d5:
        96:61:67:32:51:cb:9b:8f:cd:91:1e:ac:14:c2:4a:24:f4:2f:
        45:02:b7:e4:d6:29:a0:35:0d:53:ef:38:e4:77:c6:c8:44:d4:
        2b:b1:44:db:2a:d3:50:c7:cc:eb:f3:67:f7:ac:1f:96:42:20:
        12:dd:a4:7e:0c:f3:ec:80:ee:0c:0b:02:f8:b1:e4:92:6e:0e:
        df:f4:e0:e8:2d:9a:28:ec:4d:5b:c8:ca:94:f0:d2:04:e1:d5:
        18:51:f4:c4:eb:52:58:2f

HTTP/1.1 400 Bad Request
Content-Type: text/plain; charset=utf-8
Connection: close

400 Bad Request